* Litton Systems Inc. of Woodland Hills...

* Litton Systems Inc. of Woodland Hills won a $1.13-million contract from the Navy for data entry keyboards.

* Xontech Inc. of Van Nuys won an $814,277 contract from the Johnson Space Center in Houston for research and development.

* Ultramet Inc. of Pacoima won a $600,000 contract from the Johnson Space Center in Houston for research and development, and a $70,000 contract for research and development relating to corrosion-protective coatings.

* Rantec Microwave & Electronics Inc. of Calabasas won a $542,000 contract from Robins Air Force Base in Georgia for electric wire, and power and distribution equipment.

* Senior Flexonics Inc. of Burbank won a $458,672 contract from the Defense General Supply Center in Richmond, Va., for duct assemblies, a $46,741 contract for bleed air-duct assemblies and a $144,000 contract for exhaust pipes.

* PTI Technologies Inc. of Newbury Park won a $213,900 contract from Robins Air Force Base in Georgia for pumps and compressors.

* The Talley Corp. of Oxnard won a $195,140 contract from the Defense General Supply Center in Richmond, Va., for ram assemblies.

* Precision Measurements of Sun Valley won a $151,200 contract from Kelly Air Force Base in Texas for electrical maintenance kits.

* Whittaker Corp. of North Hollywood won a $146,720 contract from Kelly Air Force Base in Texas for shut-off valves.

* Hydraulics International Inc. of Chatsworth won a $91,319 contract from the Johnson Space Center in Houston for research and development relating to hydraulic power supply.

* Sierracin/Sylmar Corp. of Sylmar won an $89,782 contract from the Defense General Supply Center in Richmond, Va., for aircraft window panels.

* Amain Electronics Co. of West Hills won a $69,800 contract from the Johnson Space Center in Houston for research and development.